Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE

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Subject: Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 13 Aug 2021 14:58:57 -1000
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>, David Laight <David.Laight@xxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Alexey Dobriyan <adobriyan@xxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, "Peter Zijlstra (Intel)" <peterz@xxxxxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, Namhyung Kim <namhyung@xxxxxxxxxx>, Petr Mladek <pmladek@xxxxxxxx>, Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>, Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Greg Ungerer <gerg@xxxxxxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Vincenzo Frascino <vincenzo.frascino@xxxxxxx>, Chinwen Chang <chinwen.chang@xxxxxxxxxxxx>, Michel Lespinasse <walken@xxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Huang Ying <ying.huang@xxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Feng Tang <feng.tang@xxxxxxxxx>, Kevin Brodsky <Kevin.Brodsky@xxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Shawn Anastasio <shawn@xxxxxxxxxx>, Steven Price <steven.price@xxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, Christian Brauner <christian.brauner@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx>, Peter Xu <peterx@xxxxxxxxxx>, Suren Baghdasaryan <surenb@xxxxxxxxxx>, Shakeel Butt <shakeelb@xxxxxxxxxx>, Marco Elver <elver@xxxxxxxxxx>, Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>, Nicolas Viennot <Nicolas.Viennot@xxxxxxxxxxxx>, Thomas Cedeno <thomascedeno@xxxxxxxxxx>, Collin Fijalkovich <cfijalkovich@xxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Miklos Szeredi <miklos@xxxxxxxxxx>, Chengguang Xu <cgxu519@xxxxxxxxxxxx>, Christian König <ckoenig.leichtzumerken@xxxxxxxxx>, "linux-unionfs@xxxxxxxxxxxxxxx" <linux-unionfs@xxxxxxxxxxxxxxx>, Linux API <linux-api@xxxxxxxxxxxxxxx>, "the arch/x86 maintainers" <x86@xxxxxxxxxx>, "<linux-fsdevel@xxxxxxxxxxxxxxx>" <linux-fsdevel@xxxxxxxxxxxxxxx>, Linux-MM <linux-mm@xxxxxxxxx>, Florian Weimer <fweimer@xxxxxxxxxx>, Michael Kerrisk <mtk.manpages@xxxxxxxxx>
In-reply-to: <CAHk-=wiJ0u33h2CXAO4b271Diik=z4jRt64=Gt6YV2jV4ef27g@mail.gmail.com>

On Fri, Aug 13, 2021 at 2:54 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> And nobody really complained when we weakened it, so maybe removing it
> entirely might be acceptable.

I guess we could just try it and see... Worst comes to worst, we'll
have to put it back, but at least we'd know what crazy thing still
wants it..

              Linus

Follow-Ups:
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Al Viro

References:
- [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: David Hildenbrand
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Eric W. Biederman
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Andy Lutomirski
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Eric W. Biederman
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Linus Torvalds
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Eric W. Biederman
- RE: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: David Laight
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Linus Torvalds
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Andy Lutomirski
- Re: [PATCH v1 0/7] Remove in-tree usage of MAP_DENYWRITE
  - From: Linus Torvalds

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